Granted Patent
Utility
US 4,764,152 · App. 07/067,403
Rubber coupling
Inventors:
Benno Jorg, Klaus Kurr, Heinz B. Seifert
Patented Case
View Patent ↗
Granted: Aug 16, 1988
Filed: Jun 25, 1987
Inventors
Benno Jorg
Klaus Kurr
Heinz B. Seifert
Assignee (at issue)
Firma Carl Freudenberg
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.